How can I make 'grep' show a single line five lines above the grepped line?

Question

I\'ve seen some examples of grepping lines before and after, but I\'d like to ignore the middle lines. So, I\'d like the line five lines before, but nothing else. Can this b

Answer 1

This is option -B

   -B NUM, --before-context=NUM
    Print  NUM  lines  of  leading  context  before  matching lines.
    Places  a  line  containing  --  between  contiguous  groups  of
    matches.